1.

Which one of the following reactions is not a redox reaction ?

Answer»

`H^(+)+OH^(-)toH_(2)O`
`ZN+2HCl toZnCl_(2)+H_(2)`
`(1)/(2)H_(2)+(1)/(2)Cl_(2)toHCl`
`Zn+(1)/(2)O_(2)toZnO`

Answer :A


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